sponge seal 1. Water proof. 2. Steam proof seal. 3. Small order is welcomed. 4. Can meet ROHS, WRAS, FDA, PAHS, ... , medical rubber seal, etc.Description of Good Elasticity EPDM Sponge Seal:1. Materials: EPDM, also can be NR, ... . Material approved: Can meet RoHS, REACH,PAHS, PFOS,PFOA, FDA, NSF, KTW, WRAS, LFGB, etc.8. Documents: can ... company sincerely. Best Regards! Good Elasticity EPDM Sponge Seal